Granted Patent
Utility
US 4,465,879 · App. 06/524,706
Process to insecticide intermediate
Inventor:
Eric G. DelMar
Patented Case
View Patent ↗
Granted: Aug 14, 1984
Filed: Aug 19, 1983
Inventor
Eric G. DelMar
Assignee (at issue)
FMC CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.